Issue #2635224 by dawehner, bojanz: ContentEntityBase should provide field definitions for key fields

Issue #2473021 by jcnventura, amitgoyal: Deprecate NodeAccessControlHandlerInterface::writeGrants() for removal in Drupal 9.0.x

Issue #2072945 by Berdir, plach, effulgentsia, Schnitzel, andypost, Wim Leers: Remove the $langcode parameter in EntityAccessControllerInterface::access() and friends

Issue #2474075 by mkalkbrenner, hchonov, plach, catch: Fix Node::preSave() and document that preSave() and postSave() are not working with ContentEntity translations

Issue #2480921 by hchonov, maxocub, plach, RavindraSingh, Gábor Hojtsy: Make the node entity's revision_log untranslatable

Issue #2566419 by amateescu, dawehner, jhedstrom, hchonov, hussainweb, jibran: Using the "Autocomplete (Tags style)" widget for the author field does not save the submitted user

Issue #2349819 by amateescu, swentel, Leksat, larowlan, dawehner, Gábor Hojtsy, mpdonadio, benjy, jmuzz, yched, jibran, marthinal, dmsmidt: String field type doesn't consider empty string as empty value

Issue #2525068 by daffie, googletorp: Document the class variable Node::in_preview as will stay public

Issue #2428795 by mkalkbrenner, plach, yched, catch, hchonov, webchick, tstoeckler, pjonckiere, miro_dietiker, Schnitzel, klausi: Translatable entity 'changed' timestamps are not working at all

Issue #2456599 by k4v, dawehner, larowlan, rteijeiro, cutesquirrel, yched, jhodgdon: Field node_field_revision.title needs to use an entity-aware formatter in Views

Issue #2432837 by Wim Leers, Fabianx: Make cache contexts hierarchical (e.g. 'user' is more specific than 'user.roles')

Issue #2446511 by amateescu, Wim Leers, yched, Bojhan: Add a "preconfigured field options" concept in Field UI

Issue #2445743 by dawehner, Wim Leers: Allow views base tables and entity types to define additional cache contexts

Revert "Issue #2445743 by dawehner, Wim Leers: Allow views base tables and entity types to define additional cache contexts"

This reverts commit a87aff86.

Issue #2445743 by dawehner, Wim Leers: Allow views base tables and entity types to define additional cache contexts

Issue #1959806 by amateescu, jibran, goldorak, Wim Leers, yched, dawehner: Provide a generic 'entity_autocomplete' Form API element

Issue #2281645 by dawehner, andypost: Make entity annotations use link templates instead of route names

Issue #2232477 by plach, yched, tstoeckler, amateescu: Fatal when adding new fields with NOT NULL constraints in a base table that contains existing entities

Issue #2143729 by tstoeckler, plach, jsbalsera, Berdir, mauzeh, damiankloip, andypost: Entity definitions miss a language entity key

Issue #2230637 by plach, fran seva, yched, swentel: Create a Language field widget and the related formatter

Issue #2340667 by YesCT, Pedro Lozano, alexpott, martin107: Protect Drupal\Core\Language\Language::id, and use getId().

Issue #2346911 by larowlan, vijaycs85, Berdir | sihv: Fixed Base field overrides have incorrect default value callable properties.

Issue #2100343 by Berdir, fago, martin107, visabhishek, sriharsha.uppuluri, Yorirou: Remove 'fieldable' key in entity definitions in favour of 'field_ui_base_route'.

Issue #2313757 by Berdir, Wim Leers, dawehner: Remove text_processing option from text fields, expose existing string field types as plain text in UI.

Issue #2226493 by Berdir, Wim Leers, m1r1k, mr.baileys, andypost, scor, cbr, joelpittet: Apply formatters and widgets to Node base fields.

Issue #2326949 by plach, effulgentsia: Move entity-type-specific schema information from the storage class to a schema handler.

Issue #1976158 by Berdir | msonnabaum: Rename entity storage/list/form/render "controllers" to handlers.

Issue #2283977 by alexpott, Gábor Hojtsy, effulgentsia, fago: Create a new ConfigEntity type for storing bundle-specific customizations of base fields.